Analog in test circuit python

"""CircuitPython Essentials Analog In example"""
import time
import board
from analogio import AnalogIn
from digitalio import DigitalInOut, Direction

led = DigitalInOut(board.LED)
led.direction = Direction.OUTPUT
analog_in = AnalogIn(board.A1)

def get_voltage(pin):
    return (pin.value * 3.3) / 65536

while True:
    print(get_voltage(analog_in))
    val = get_voltage(analog_in)
    if val >= 1.5: # Greater than 1.5 volts
        led.value = True
    else:
        led.value = False

    time.sleep(1.0)